mvm_gd_crossing b2

Visuals:

• Touched up outer design of front house.
• Added some detailiing to lower A point so it's not completely barebones.
• Light detailing to outer warehouse.
• Changed color of rocks to match ground textures.
• Spawn room visuals created.
• Realign some health and ammo kits with the ground.
• Fixed missing road overlay at robot spawn.
• Added signage to various areas.
• Fixed car driving backwards down the road.
• Added two cars back into road...

Nav Tweaks:

• Fix spys spawing behind the upgrade station.
• Fix bots running over the mound on a_lower path when pathing to point B.
• Removed excess navs.
• Optimized some connections.